Robert C. Spellman

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Alhambra, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ratchet driving internal combustion engine
- Patent number 3,991,736
- Issue date Nov 16, 1976
- The Raymond Lee Organization, Inc.
- Robert C. Spellman
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS